In order for a hurricane or tropical storm to develop, the temperature of the ocean surface must be a) 20°f. b) 40°f. c) 60°f. d) 80°f.

idk about biology catagory

Does the sun release radiant energy?

This is one of the five kingdoms in the older biological succession. organisms in this kingdom are prokaryotic

Which best describes how the common cold spreads in the human body? a bacteria burst out of normal cells killing them b viruses replicate inside respiratory cells c bacteria inject dna into normal cells d viruses insert dna into bacteria